Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date June 11, 2023 (latest changes June 11, 2023).
2 place (719.47).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8
p1 = (533.33 * 3.45 * 0.43 + 808.51 * 3.10 * 0.57 + 955.22 * 3.50 * 0.71 + 288.29 * 4.05 * 1 + 1000 * 2.80 * 1 + 933.33 * 4.20 * 1 + 494.25 * 3.75 * 1) / (3.45 * 0.43 + 3.10 * 0.57 + 3.50 * 0.71 + 4.05 * 1 + 2.80 * 1 + 4.20 * 1 + 3.75 * 1) = 698.2899320001986
p2 = (933.33 * 4.20 * 1 + 1000 * 2.80 * 1 + 955.22 * 3.50 * 0.71 + 494.25 * 3.75 * 1) / max_coefficients = 740.645945945946
score = 698.2899320001986 * 0.5 + 740.645945945946 * 0.5 = 719.4679389730723
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-06-11 | 3 -> 2 | 760.85 -> 719.47 |
Money can not buy tenpai: 0% -> 100% |
| 2023-05-28 | 3 | 757.86 -> 760.85 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 3 | 764.06 -> 757.86 |
Tenpai can't buy happiness: 86% -> 71% |
| 2023-05-05 | 15 -> 3 | 648.37 -> 764.06 | |
| 2021-02-01 | 26 -> 15 | 663.65 -> 648.37 | |
| 2020-02-01 | 26 | 663.65 |